In 6.12 we have made several structural changes to Enonic XP. This affects how you build your own apps with Gradle.

The Gradle plugin for building Enonic applications are not included in the distribution anymore.
This helps us improve the build tools without waiting for a new release of XP every time.
Here is how to make build scripts work for 6.12.x:

Before you would probably have something like this in the beginning of your build.gradle file: